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Finding the Fourth Proportional to 144,036.66, 198,781.90 and 79,518.71

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Solution

The fourth proportional to 144,036.66, 198,781.90 and 79,518.71 is: 109,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,036.66 : 198,781.90 = 79,518.71 : x
  2. Step 2: Convert to fraction form
    144,036.66/198,781.90 = 79,518.71/x
  3. Step 3: Cross multiply
    144,036.66x = 198,781.90 × 79,518.71
  4. Step 4: Simplify right side
    144,036.66x = 15,806,880,557.51
  5. Step 5: Solve for x
    x = 15,806,880,557.51/144,036.66
  6. Step 6: Final answer
    x = 109,742.07

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